Chemistry – Chemical reactions - Redox | e-Consult
Chemical reactions - Redox (1 questions)
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Oxidation is defined as the loss of oxygen by a substance.
Reduction is defined as the gain of oxygen by a substance.
A common example of a reaction where oxidation and reduction occur simultaneously is the combustion of methane (CH4) with oxygen (O2).
CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)
In this reaction, carbon in methane is oxidized (loses oxygen) and oxygen is reduced (gains oxygen).